The open Sunday market, El Rastro

This lively open-air market is over 400 years old with stands that sell everyday objects as well as unique and curious items. The name of the flea market “El Rastro” meaning “the trail” comes from the tanneries that used to exist in the area. When the animals were transported from the slaughterhouses to the tanneries, they would leave a trail of blood and hence the name of "El Rastro". ' credit: https://www.introducingmadrid.com/el-rastro